remove the reference to a bug [(#2100)](GoogleCloudPlatform/python-docs-samples#2100)

as the bug has been fixed in the public client lib

Author: merla18

samples/tables/notebooks/retail_product_stockout_prediction/retail_product_stockout_prediction.ipynb

@@ -909,7 +909,7 @@
         "\n",
         "The AutoML Tables logs the errors in the `errors.csv` file.\n",
         "\n",
-        "**NOTE:** The client library has a bug. If the following cell returns a `TypeError: Could not convert Any to BatchPredictResult` error, ignore it. The batch prediction output file(s) will be updated to the GCS bucket that you set in the preceding cells."
+        "**NOTE:** The batch prediction output file(s) will be updated to the GCS bucket that you set in the preceding cells."
       ]
     },
     {
@@ -995,4 +995,4 @@
       "outputs": []
     }
   ]
-}
+}